#!/usr/bin/python3
#
# Copyright 2016 Dustin Kirkland <dustin.kirkland@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
import sys

columns = int(os.popen('tput cols', 'r').read())
last_length = 0
for line in sys.stdin:
	line = line.rstrip()
	if len(line) >= last_length + 3:
		print("-" * (columns-1))
	elif len(line) <= last_length - 3:
		print("-" * (columns-1))
	print("%s" % line)
	last_length = len(line)
